Articles publicats en revistes: Recent submissions
Now showing items 281-300 of 538
-
Measurement of the branching fraction ratio B(B+c → ψ(2S)π+)/B(B+c → J/ψπ+)
(Physical Review D, 2015, Vol. 92, No. 7 (Octubre), 2015-10-20)Using pp collision data collected by LHCb at center-of-mass energies √s=7 TeV and 8 TeV, corresponding to an integrated luminosity of 3 fb−1, the ratio of the branching fraction of the B+c→ψ(2S)π+ ... -
Study of B− → DK−π+π− and B− → Dπ−π+π− decays and determination of the CKM angle γ
(Physical Review D, 2015, Vol. 92, No. 11 (Desembre), 2015-12-17)We report a study of the suppressed B−→DK−π+π− and favored B−→Dπ−π+π− decays, where the neutral D meson is detected through its decays to the K∓π± and CP -even K+K− and π+π− final states. The measurement ... -
Quantum numbers of the X(3872) state and orbital angular momentum in its ρ0J/ψ decay
(Physical Review D, 2015, Vol.92, No.1 (Juliol), 2015-07-30)Angular correlations in B+→X(3872)K+ decays, with X(3872)→ρ0J/ψ, ρ0→π+π− and J/ψ→μ+μ−, are used to measure orbital angular momentum contributions and to determine the JPC value of the X(3872) meson. The ... -
Opposite-side flavour tagging of B mesons at the LHCb experiment
(The European Physical Journal C, 2012. Vol. 72, No. 6 (Juny), 2012-06-07)The calibration and performance of the opposite-side flavour tagging algorithms used for the measurements of time-dependent asymmetries at the LHCb experiment are described. The algorithms have been ... -
Measurement of charged particle multiplicities and densities in pp collisions at s√=7TeV in the forward region
(The European Physical Journal C, 2014. Vol. 74, No. 5 (Maig), 2014-05-24)Charged particle multiplicities are studied in proton–proton collisions in the forward region at a centre-of-mass energy of s√=7TeV with data collected by the LHCb detector. The forward spectrometer ... -
Search for the rare decays B0 → J/ψγ and B0s → J/ψγ
(Physical Review D, 2015, Vol. 92, No. 11 (Desembre), 2015-12-07)A search for the rare decay of a B0 or B0s meson into the final state J/ψγ is performed, using data collected by the LHCb experiment in pp collisions at √s=7 and 8 TeV, corresponding to an integrated ... -
Measurement of the resonant and CP components in ¯B0 → J/ψπ+π− decays
(Physical Review D, 2014, Vol. 90 , No.1 (Juliol), 2014-07-10)The resonant structure of the reaction ¯B0→J/ψπ+π− is studied using data from 3 fb−1 of integrated luminosity collected by the LHCb experiment, one third at 7 TeV center-of-mass energy and the remainder ... -
Study of CP violation in B∓ → Dh∓ (h=K,π) with the modes D → K∓π±π0, D → π+π−π0 and D → K+K−π0
(Physical Review D, 2015, Vol. 91 , No. 11 (Juny), 2015-06-26)An analysis of the decays of B∓→DK∓ and B∓→Dπ∓ is presented in which the D meson is reconstructed in the three-body final states K∓π±π0, π+π−π0 and K+K−π0. Using data from LHCb corresponding to an ... -
Measurement of CP violation parameters in B0 → DK*0 decays
(Physical Review D, 2014, Vol. 90 , No. 11 (Desembre), 2014-12-02)An analysis of B0→DK*0 decays is presented, where D represents an admixture of D0 and ¯D0 mesons reconstructed in four separate final states: K−π+, π−K+, K+K− and π+π−. The data sample corresponds to ... -
Measurements of CP violation in the three-body phase space of charmless B± decays
(Physical Review D, 2014, Vol. 90 , No. 11 (Desembre), 2014-12-11)The charmless three-body decay modes B± → K± π+π−, B± → K± K+ K−, B± → π± K+ K− and B± → π± π+ π− are reconstructed using data, corresponding to an integrated luminosity of 3.0 fb−1, collected by the ... -
Dalitz plot analysis of B0s→¯D0K−π+ decays
(Physical Review D, 2014, Vol. 90 , No.7 (Octubre), 2014-10-14)The resonant substructure of B0s→¯D0K−π+ decays is studied with the Dalitz plot analysis technique. The study is based on a data sample corresponding to an integrated luminosity of 3.0 fb−1 of pp ... -
Measurement of CP violation in B0s → ϕϕ decays
(Physical Review D, 2014, Vol. 90 , No.5 (Setembre), 2014-09-30)A measurement of the decay time-dependent CP-violating asymmetry in B0s→ϕϕ decays is presented, along with measurements of the T-odd triple-product asymmetries. In this decay channel, the CP-violating ... -
Measurement of the ratio of B+c branching fractions to J/ψπ+ and J/ψμ+νμ final states
(Physical Review D, 2014, Vol. 90 , No.3 (Agost), 2014-08-27)The first measurement that relates semileptonic and hadronic decay rates of the B+c meson is performed using proton-proton collision data corresponding to 1.0 fb−1 of integrated luminosity collected ... -
Measurement of the polarization amplitudes in B0→J/ψK∗(892)0 decays
(Physical Review D, 2013, Vol. 88 , No.5 (Setembre), 2013-09-03)An analysis of the decay B0→J/ψK∗(892)0 is presented using data, corresponding to an integrated luminosity of 1.0 fb−1, collected in pp collisions at a center-of-mass energy of 7 TeV with the LHCb ... -
Towards Automatic Bird Detection: An Annotated and Segmented Acoustic Dataset of Seven Picidae Species
(Data, 2017. Vol. 2, 2, 2017-03)Analysing behavioural patterns of bird species in a certain region enables researchers to recognize forthcoming changes in environment, ecology, and population. Ornithologists spend many hours observing ... -
Measurement of resonant and CP components in ¯B0s→J/ψπ+π− decays
(Physical Review D, 2014, Vol. 89 , No.9 (Maig), 2014-05-14)Structure of the decay ¯B0s→J/ψπ+π− is studied using data corresponding to 3 fb−1 of integrated luminosity from pp collisions produced by the LHC and collected by the LHCb detector. Five interfering ... -
Study of B0→D*−π+π−π+ and B0→D*−K+π−π+ decays
(Physical Review D, 2013, Vol. 87 , No.9 (Mayo), 2013-05-03)Using proton-proton collision data collected by the LHCb experiment at √s=7 TeV, corresponding to an integrated luminosity of 1.0 fb−1, the ratio of branching fractions of the B0→D*−π+π−π+ decay ... -
Radio communication via Near Vertical Incidence Skywave propagation: an overview
(Telecommunication Systems. 2017, Vol. 66, 2017-02)Near Vertical Incidence Skywave (NVIS) propagation can be used for radio communication in a large area (200 km radius) without any intermediate man-made infrastructure. It is therefore especially suited ... -
Studies of beauty baryon decays to D0ph− and Λ+ch− final states
(Physical Review D, 2014, Vol. 89 , No.3 (Febrer), 2014-02-13)Decays of beauty baryons to the D0ph− and Λ+ch− final states (where h indicates a pion or a kaon) are studied using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb−1, ... -
Analysis of the resonant components in ¯¯¯B0s→J/ψπ+π−
(Physical Review D, 2012, Vol. 86 , No. 5 (Setembre), 2012-09-17)The decay ¯¯¯B0s→J/ψπ+π− can be exploited to study CP violation. A detailed understanding of its structure is imperative in order to optimize its usefulness. An analysis of this three-body final state ...